Headphone



FIG. 1 is a perspective view of front, right and top of a headphone showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof, the central portion of the headphone ear cushions is flat and unornamented; and,

FIG. 7 is a bottom view thereof.

The broken lines showing of the headphone is included for the purpose of illustrating portions of the headphone and forms no part of the claimed design. 

CLAIM The ornamental design for headphone, as shown and described. 